input = 8 if input == 1 : print ('Jan 31') if input == 2 : print ('Feb 28') if input == 3 : print ( 'March 31') if input == 4 : print ('Apr 30') if input == 5 : print ('May 31') if input == 6 : print ( 'June 30') if input == 7 : print ('July 31') if input == 8 : print ( 'Aug 31') if input == 9 : print ( ' Sep 30') if input == 10 : print ('Oct 31') if input == 11 : print ( 'Nov 30') if input == 12 : print ( ' Dec 31')